Milwaukee OPEN-LOK™ 1-3/8" Japanese Tooth Hardwood Blades, 3-Pack are crafted from premium high carbon steel, ing up to twice the cutting speed d to previous generation blades. These multi-tool blades feature precision triple ground Japanese teeth combined with PRO-CURVE™ tooth edges, providing enhanced control and accuracy for plunge cuts. The raised Open-Lok anchor ensures flush cutting, while the cut-away body design allows for faster plunge cuts. for smooth finish cuts in hardwood, PVC, drywall, and other soft materials, these blades are coated with a protective black oxide for added durability and are laser etched for easy identification. Model Number: 49-25-1133